FidoCADJ - FidoCadJ is a free user-friendly vector graphic editor for Mac OS X, Linux, Windows and Android.
DWGFREE - DWGFREE is an online platform that comes with a comprehensive collection of CAD blocks that can be downloaded without the need for registration.
LibrePCB - LibrePCB is a free EDA software to develop printed circuit boards.
CADMAPPER - Instant CAD files for any location on earth
XCircuit - XCircuit: Home Page
MAPACAD - MAPACAD is an online website that is providing leverage to designers and architectures to have the ability to download CAD map cities that can be directly used in their projects.